Engine Kits & Rotating Assemblies

Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50070K1

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

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Estimated Ship Date: Feb 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10042-4K

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Repair Kit, Top End, 75.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000K

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Estimated Ship Date: Feb 20, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22581B

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Estimated Ship Date: Feb 20, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22584B-2

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22863B-1

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Repair Kit, Top End, 75.47mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-4K

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Estimated Ship Date: Feb 20, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23429CD

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Estimated Ship Date: Feb 20, 2026 if ordered today

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